How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 8/1100.0*Chance in playoffs100.0*Relegated100.0*Average seed
MSF 0 XL 1 -7.1
+9.4
-0.5
RGE 0 SK 1 -1.9
OG 0 S04 1 +0.7
+9.4
-0.1
VIT 1 MAD 0 -0.1
+3.6
-0.2
If winner is:HomeAway
G2 vs FNC-0.3+0.4
+0.1-0.1
If winner is:HomeAway
Friday, 8/7100.0*Chance in playoffs100.0*Relegated100.0*Average seed
MSF vs G2+1.2Out
-20.6+12.1
+0.4-0.3
OG vs SK-0.2+0.2
-0.1+0.1
FNC vs XL+0.2-0.2
-0.1+0.1
VIT vs S04+0.0-0.1
-3.5+4.6

What If

Chances based on how well the MSF finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910RelegatedCount
83-021.4%12152251No821,672
72-1Out12523333.5%5,644,534
61-2Out8375554.911,443,057
50-3Out100Yes7,145,357
Total:0.7%01416245454.4%25,054,620
Games Above .500
Chance Will Make Playoffs